Envelope



FIG. 1 is a top perspective view of an envelope showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof showing the envelope in a first partly folded condition;

FIG. 7 is a rear elevational view thereof showing the envelope in the first partly folded condition;

FIG. 8 is a front elevational view thereof showing the envelope in a second folded condition; and,

FIG. 9 is a front elevational view thereof showing the envelope in a third folded condition. 

The ornamental design for an envelope, as shown and described. 